2004 Mack Mr Recalls, Complaints & Specs
6 safety recalls list the 2004 Mack Mr. Check your own VIN below.
6 safety recalls for the 2004 Mack Mr
Most recent first. Recall repairs are free at any authorised dealer. Click a recall for the full defect, consequence and remedy text.
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Suspension: front
Mack trucks is recalling certain model year 2002-2005 mr and le heavy trucks, manufactured from february 1, 2002, through december 22, 2004. Over time, the vehicles load may result in fatigue cracks of the front axle beam. These cracks can propagate and result in complete fracture of the axle beam.
Remedy: This recall relates to previous recalls 09v-240 and 10v-069. Analysis of these recalls has shown that after the receiving the remedies, the axles may still crack. As such, mack trucks will replace the affected axles on…
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Axle assembly (power train)
Mack trucks is recalling certain model year 2002 through 2004 cl, cv, le, mr, rb, rd, and model year 2003 through 2004 dm heavy trucks manufactured from february 1, 2002 through september 30, 2003, equipped with axle beams manufactured by bharat forge. The axle beam may have transverse shear lines on the bottom of the axle from the…
Remedy: Mack will notify owners, inspect and replace any affected axle beams free of charge. The safety recall began on march 5, 2010. Owners may contact mack at 1-800-866-1177.
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Axle assembly (power train)
Mack is recalling 10,300 model year 2004 and 2005 cl, cv, dm, le, and rb and model year 2004 rd heavy trucks manufactured from october 1, 2003 through september 30, 2004, equipped with axle beams manufactured by bharat forge. The axle beam may have transverse shear lines on the bottom of the axle from the trimming process.
Remedy: Mack will notify owners, inspect and replace any affected axle beams free of charge. The safety recall began on august 14, 2009. Owners may contact mack at 1-800-866-1177.
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Tank assembly (fuel system)
On certain diesel powered heavy duty trucks, the bolts attaching the fuel tank mounting brackets to the frame may have insufficient torque and therefore may result in premature failure of the fuel tank mounting.
Remedy: Dealers will inspect and replace the fuel tank bracket mounting bolts free of charge. The recall began on february 6, 2006. Owners may contact mack trucks at 1-800-528-6586.
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Suspension
On certain heavy duty class 8 trucks equipped with holland air suspension systems, a transverse beam casting may fracture under normal loads. If a casting breaks when the vehicle is traveling on a roadway there is the potential for pieces of the casting to become projectiles and the suspension's transverse beam may drop down low enough…
Remedy: Dealers will inspect and replace the defective transverse beam assemblies. The recall began on august 19, 2005. Owners may contact mack trucks at 610-709-2131.
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Pressure relief devices (fuel system)
On certain chassis built with lng engines, the nexgen lng tank's primary and secondary relief valves could fail to open and relieve tank pressure.
Remedy: Dealers will retrofit the lng tanks with a new primary relief valve pipe away tube and a new ventilated shroud. The recall began april 6, 2004. Owners who take their vehicles to an authorized dealer on an agreed upon…
No owner complaints on file
NHTSA has no owner complaints on file for the 2004 Mack Mr. For context, the average model year in NHTSA's database has dozens; a zero can mean a reliable vehicle, a rare one, or both.
Compare Mack Mr model years
Recall and complaint counts for every Mack Mr model year in NHTSA's database.
| Model year | Recalls | Complaints |
|---|---|---|
| 1977 Mack Mr | 1 | 0 |
| 1978 Mack Mr | 2 | 0 |
| 1979 Mack Mr | 2 | 0 |
| 1987 Mack Mr | 1 | 0 |
| 1988 Mack Mr | 2 | 0 |
| 1989 Mack Mr | 2 | 0 |
| 1990 Mack Mr | 3 | 0 |
| 1991 Mack Mr | 2 | 0 |
| 1992 Mack Mr | 2 | 0 |
| 1993 Mack Mr | 1 | 0 |
| 1995 Mack Mr | 1 | 0 |
| 1996 Mack Mr | 1 | 0 |
| 1997 Mack Mr | 1 | 0 |
| 1998 Mack Mr | 3 | 0 |
| 1999 Mack Mr | 5 | 1 |
| 2000 Mack Mr | 4 | 0 |
| 2001 Mack Mr | 3 | 0 |
| 2002 Mack Mr | 4 | 0 |
| 2003 Mack Mr | 4 | 0 |
| 2004 Mack Mr | 6 | 0 |
| 2005 Mack Mr | 4 | 0 |
| 2006 Mack Mr | 2 | 0 |
| 2007 Mack Mr | 3 | 0 |
Checking a specific 2004 Mack Mr
How do I know if my 2004 Mack Mr has an open recall?
Enter your 17-character VIN above. The VIN is on the driver's side dashboard (visible through the windshield), the driver's door jamb sticker, and your registration or insurance card. The check runs against NHTSA's live database and tells you which campaigns list your vehicle. 6 campaigns currently list the 2004 Mack Mr; your car may already have been repaired under some of them.
Is the recall repair free?
Yes. Under federal law, manufacturers must fix safety recalls at no charge for vehicles up to 15 years old from the date of sale to the first owner. Contact any authorised Mack dealer with your VIN and the NHTSA campaign number (for example 04V159000).
What is the difference between a recall and a complaint?
A recall is a safety campaign filed by the manufacturer or ordered by NHTSA, with a defined defect and remedy. A complaint is a report an owner sent to NHTSA; it is not verified, but patterns of complaints are what trigger NHTSA investigations and, eventually, recalls.
Other Mack models
- Mack28 complaints
- Anthem (an)12 complaints
- Granite (gr)9 complaints
- CXU6127 complaints
- Ch6 complaints
- Gu6 complaints
- CH6005 complaints
- Cxu5 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.